Senior Java and Kotlin Backend EngineerLocation: London (Hybrid - Wednesday office attendance required)Contract: Initial 2 monthsIR35: Outside IR35Start Date: ASAPThe RoleWe''re working with a leading technology organisation seeking an experienced Senior Java and Kotlin Backend Engineer to join their engineering team on an initial two-month contract.This role offers the opportunity to contribute to greenfield backend development, building scalable, cloud-native microservices within a modern engineering environment. You''ll work alongside cross-functional teams to design, develop and deliver high-quality backend solutions that are secure, reliable and built for scale. Key ResponsibilitiesDesign, develop and maintain backend services using Java and Kotlin.Build and enhance RESTful APIs within a microservices architecture.Develop secure, scalable and high-performance applications.Collaborate with Product Managers, Engineers and technical stakeholders to deliver new features.Participate in code reviews and contribute to engineering best practices.Improve system reliability, performance and scalability.Work with cloud-native technologies and modern deployment practices.Support production systems and contribute to continuous improvement initiatives. Essential Skills and ExperienceStrong commercial experience with Java and Kotlin.Proven experience developing applications using Spring Boot.Strong understanding of microservices architecture.Experience designing and building REST APIs. ..... full job details .....